白条纹龙胆 bai tiao wen long dan

Gentiana pseudohumilis Burkill (1906), not Makino (1904).

Annuals 3-8 cm tall. Stems pale purple, ascending, branched from base, densely papillate. Basal leaves withered at anthesis; petiole 1-2 mm; leaf blade ovate-lanceolate to ovate-orbicular, 4-6 × 2-3 mm, margin distinctly cartilaginous and ciliolate, apex rounded and mucronate, midvein prominent. Stem leaves with petiole tube 1-1.5 mm, margin ciliolate; leaf blade obovate, 3-5 × 1.5-3 mm, margin distinctly cartilaginous and ciliate, apex rounded, midvein abaxially prominent. Flowers few. Pedicel pale purple, 3-7 mm, densely papillate. Calyx tube tubular, 5-7 mm, with 5-7 white, membranous, and longitudinal stripes; lobes incurved, triangular, 1.5-2 mm, margin narrowly membranous, apex acute, midvein crested. Corolla blue, tubular, 0.9-1.1 cm, slightly exserted from calyx; lobes ovate, 2-2.5 mm, margin entire, apex obtuse; plicae ovate, 1.5-2 mm, margin entire or denticulate, apex obtuse. Stamens inserted at middle of corolla tube, equal; filaments 1.5-2 mm; anthers narrowly ellipsoid, 0.8-1 mm. Style 1.5-2 mm; stigma lobes linear. Capsules narrowly obovoid, 5-7 mm; gynophore to 2.7 cm, stout. Seeds light brown, ellipsoid, 0.8-1 mm. Fl. and fr. Jun-Aug.

Slopes, valleys; 3600-4300 m. Hebei, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi [Afghanistan, NW India, Kashmir, Nepal, Russia].